Air quality monitoring device



FIG. 1 is a front perspective view of an air quality monitoring deviceshowing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a reference view thereof; and,

FIG. 10 is a second reference view thereof.

The numbers drawn in broken lines in FIG. 9 are shown for illustrativepurposes only and form no part of the claimed design.

CLAIM The ornamental design for an air quality monitoring device, asshown and described.